Senior IT Systems Administrator

OM Group • Rock Island, IL

1d • Onsite

About The Position

The Senior IT Systems Administrator provides day-to-day administration, maintenance, security, and user support for the JWICS environment at Rock Island Arsenal, supporting Army Materiel Command’s global mission. The role works onsite with cleared professionals and includes cross-location technical support and travel as required. This position is contingent upon contract award. The position is a direct hire role and is ineligible for third-party partnering.

Requirements

• 10 years of experience.
• BA/BS degree.
• Hands-on experience administering and troubleshooting enterprise systems and networks in a secure environment.
• Current IAT Level II qualification and duty-relevant certifications meeting the PWS’s DoD 8570/8140 requirements for the assigned role.
• Practical skills in Windows and/or Linux administration, patching, STIG implementation, and network device troubleshooting.
• Experience with COMSEC, secure-environment customer support, and VTC troubleshooting.
• Active Top Secret/SCI clearance and ability to maintain it throughout employment on the contract.
• U.S. citizenship.
• Ability to work onsite full time at Rock Island Arsenal, IL, provide cross-location technical support, and travel as required.
• Ability to work an eight-hour schedule Monday–Friday aligned with customer operating hours and support approved mission needs outside normal duty hours.
• Confirm the applicable ITES-3S labor category and minimum qualifications before posting.

Responsibilities

• Administer Windows and/or Linux servers, manage user accounts, install patches, and apply STIGs.
• Manage and troubleshoot switches, routers, firewalls, and network connectivity.
• Provide Tier 1/2 support for account resets, software issues, and VTC setup and troubleshooting.
• Schedule, verify, and monitor JWICS VTC sessions and help resolve scheduling conflicts.
• Support installation and testing of VTC and VOIP equipment and provide basic user training.
• Monitor security logs and alerts and assist with incident response and remediation.
• Maintain system backups and support disaster recovery testing.
• Support COMSEC activities and technical documentation.
• Deliver technical support across locations and escalate issues to senior specialists or external providers.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior